Al-Nahal, A., Fouda, M., Hosseny, A., El-Desoki, E., Sakla, N. (2023). Re-Biopsy for Proliferative Lupus Nephritis in Egyptian Female Patients: A Single-Center Study. The Egyptian Journal of Hospital Medicine, 91(1), 4560-4568. doi: 10.21608/ejhm.2023.297777
Al-Sayed A. Al-Nahal; Mohamad A. Fouda; Amina Mohamed Hosseny; Eman M. El-Desoki; Niveen S. S. Sakla. "Re-Biopsy for Proliferative Lupus Nephritis in Egyptian Female Patients: A Single-Center Study". The Egyptian Journal of Hospital Medicine, 91, 1, 2023, 4560-4568. doi: 10.21608/ejhm.2023.297777
Al-Nahal, A., Fouda, M., Hosseny, A., El-Desoki, E., Sakla, N. (2023). 'Re-Biopsy for Proliferative Lupus Nephritis in Egyptian Female Patients: A Single-Center Study', The Egyptian Journal of Hospital Medicine, 91(1), pp. 4560-4568. doi: 10.21608/ejhm.2023.297777
Al-Nahal, A., Fouda, M., Hosseny, A., El-Desoki, E., Sakla, N. Re-Biopsy for Proliferative Lupus Nephritis in Egyptian Female Patients: A Single-Center Study. The Egyptian Journal of Hospital Medicine, 2023; 91(1): 4560-4568. doi: 10.21608/ejhm.2023.297777
Re-Biopsy for Proliferative Lupus Nephritis in Egyptian Female Patients: A Single-Center Study
Background: Renal biopsy is the golden tool for the diagnosis of proliferative lupus nephritis (LN), the level of histological activity, and the risk of end-stage renal disease (ESRD). Objective: This study aimed to investigate the value of repeated renal biopsy in the follow-up of proliferative LN patients and to determine the predictors for re-biopsy and re-induction. Methods: A retrospective study made on 184 LN Egyptian females, data from 2002 to 2020 included history, examination, laboratory investigations, and results of repeated biopsies. Results: Remission was achieved in 46.7% of patients versus 53.3% with non-remission. The non-remission was significantly higher with higher chronicity index (CI), CYC 1ry induction, and AZA 1ry maintenance than with lower CI, MMF 1ry induction, or maintenance (S). About 41.8% of patients had a 2nd biopsy, and 30.9% received re-induction therapy. Significant predictors for non-responding included type of 1ry induction and activity index (AI). In the CYC 1ry induction group, the AI mean±SD in 2nd biopsy (6.83 ±4.02) was significantly lower than in 1st biopsy (10.6 ±4.08) (S), while the CI mean±SD in 2nd biopsy (3.4 ±1.4) was significantly higher than in 1st biopsy (2.5 ±1.2) (S), with no significant difference in the MMF group. Out of the 184 LN patients who had their 1st biopsy, 77 patients (41.8%) had a 2nd biopsy, with no difference as regards the class of LN, but the AI mean±SD was significantly lower in the 2nd biopsy (7.4±4.2) compared to 1st biopsy (10.0±4.4) (S), while the CI mean±SD was higher in the 2nd biopsy (3.0±2.3) compared to the 1st biopsy (2.4±1.6) (S). Conclusions: Repeated renal biopsies are important in the follow-up of Egyptian female patients with proliferative LN, after 1ry induction therapy or an event-based biopsy. The use of MMF reduces the risk for non-remission, and the need for re-biopsy, or re-induction.
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